src/modules/m_check.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "users.h"
  15 #include "channels.h"
  16 #include "modules.h"
  17 #include "inspircd.h"
  18 #include "wildcard.h"
  19
  20 /* $ModDesc: Provides the /check command to retrieve information on a user, channel, or IP address */
  21
  22 /** Handle /CHECK
  23  */
  24 class cmd_check : public command_t
  25 {
  26  public:
  27         cmd_check (InspIRCd* Instance) : command_t(Instance,"CHECK", 'o', 1)
  28         {
  29                 this->source = "m_check.so";
  30                 syntax = "<nickname>|<ip>|<hostmask>|<channel>";
  31         }
  32
  33         CmdResult Handle (const char** parameters, int pcnt, userrec *user)
  34         {
  35                 userrec *targuser;
  36                 chanrec *targchan;
  37                 std::string checkstr;
  38                 std::string chliststr;
  39
  40                 char timebuf[60];
  41                 struct tm *mytime;
  42
  43
  44                 checkstr = "304 " + std::string(user->nick) + " :CHECK";
  45
  46                 targuser = ServerInstance->FindNick(parameters[0]);
  47                 targchan = ServerInstance->FindChan(parameters[0]);
  48
  49                 /*
  50                  * Syntax of a /check reply:
  51                  *  :server.name 304 target :CHECK START <target>
  52                  *  :server.name 304 target :CHECK <field> <value>
  53                  *  :server.name 304 target :CHECK END
  54                  */
  55
  56                 user->WriteServ(checkstr + " START " + parameters[0]);
  57
  58                 if (targuser)
  59                 {
  60                         /* /check on a user */
  61                         user->WriteServ(checkstr + " nuh " + targuser->GetFullHost());
  62                         user->WriteServ(checkstr + " realnuh " + targuser->GetFullRealHost());
  63                         user->WriteServ(checkstr + " realname " + targuser->fullname);
  64                         user->WriteServ(checkstr + " modes +" + targuser->FormatModes());
  65                         user->WriteServ(checkstr + " snomasks +" + targuser->FormatNoticeMasks());
  66                         user->WriteServ(checkstr + " server " + targuser->server);
  67
  68                         if (IS_AWAY(targuser))
  69                         {
  70                                 /* user is away */
  71                                 user->WriteServ(checkstr + " awaymsg " + targuser->awaymsg);
  72                         }
  73
  74                         if (IS_OPER(targuser))
  75                         {
  76                                 /* user is an oper of type ____ */
  77                                 user->WriteServ(checkstr + " opertype " + irc::Spacify(targuser->oper));
  78                         }
  79
  80                         if (IS_LOCAL(targuser))
  81                         {
  82                                 /* port information is only held for a local user! */
  83                                 user->WriteServ(checkstr + " onport " + ConvToStr(targuser->GetPort()));
  84                         }
  85
  86                         chliststr = targuser->ChannelList(targuser);
  87                         std::stringstream dump(chliststr);
  88
  89                         ServerInstance->DumpText(user,checkstr + " onchans ", dump);
  90                 }
  91                 else if (targchan)
  92                 {
  93                         /* /check on a channel */
  94                         time_t creation_time = targchan->created;
  95                         time_t topic_time = targchan->topicset;
  96
  97                         mytime = gmtime(&creation_time);
  98                         strftime(timebuf, 59, "%Y/%m/%d - %H:%M:%S", mytime);
  99                         user->WriteServ(checkstr + " created " + timebuf);
 100
 101                         if (targchan->topic[0] != 0)
 102                         {
 103                                 /* there is a topic, assume topic related information exists */
 104                                 user->WriteServ(checkstr + " topic " + targchan->topic);
 105                                 user->WriteServ(checkstr + " topic_setby " + targchan->setby);
 106                                 mytime = gmtime(&topic_time);
 107                                 strftime(timebuf, 59, "%Y/%m/%d - %H:%M:%S", mytime);
 108                                 user->WriteServ(checkstr + " topic_setat " + timebuf);
 109                         }
 110
 111                         user->WriteServ(checkstr + " modes " + targchan->ChanModes(true));
 112                         user->WriteServ(checkstr + " membercount " + ConvToStr(targchan->GetUserCounter()));
 113
 114                         /* now the ugly bit, spool current members of a channel. :| */
 115
 116                         CUList *ulist= targchan->GetUsers();
 117
 118                         /* note that unlike /names, we do NOT check +i vs in the channel */
 119                         for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
 120                         {
 121                                 char tmpbuf[MAXBUF];
 122                                 /*
 123                                  * Unlike Asuka, I define a clone as coming from the same host. --w00t
 124                                  */
 125                                 snprintf(tmpbuf, MAXBUF, "%lu    %s%s (%s@%s) %s ", i->first->GlobalCloneCount(), targchan->GetAllPrefixChars(i->first), i->first->nick, i->first->ident, i->first->dhost, i->first->fullname);
 126                                 user->WriteServ(checkstr + " member " + tmpbuf);
 127                         }
 128                 }
 129                 else
 130                 {
 131                         /*  /check on an IP address, or something that doesn't exist */
 132                         long x = 0;
 133
 134                         /* hostname or other */
 135                         for (user_hash::const_iterator a = ServerInstance->clientlist->begin(); a != ServerInstance->clientlist->end(); a++)
 136                         {
 137                                 if (match(a->second->host, parameters[0]) || match(a->second->dhost, parameters[0]))
 138                                 {
 139                                         /* host or vhost matches mask */
 140                                         user->WriteServ(checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost());
 141                                 }
 142                                 /* IP address */
 143                                 else if (match(a->second->GetIPString(), parameters[0], true))
 144                                 {
 145                                         /* same IP. */
 146                                         user->WriteServ(checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost());
 147                                 }
 148                         }
 149
 150                         user->WriteServ(checkstr + " matches " + ConvToStr(x));
 151                 }
 152
 153                 user->WriteServ(checkstr + " END " + std::string(parameters[0]));
 154
 155                 return CMD_LOCALONLY;
 156         }
 157 };
 158
 159
 160 class ModuleCheck : public Module
 161 {
 162  private:
 163         cmd_check *mycommand;
 164  public:
 165         ModuleCheck(InspIRCd* Me) : Module::Module(Me)
 166         {
 167
 168                 mycommand = new cmd_check(ServerInstance);
 169                 ServerInstance->AddCommand(mycommand);
 170         }
 171
 172         virtual ~ModuleCheck()
 173         {
 174         }
 175
 176         virtual Version GetVersion()
 177         {
 178                 return Version(1, 1, 0, 0, VF_VENDOR, API_VERSION);
 179         }
 180
 181         void Implements(char* List)
 182         {
 183                 /* we don't hook anything, nothing required */
 184         }
 185
 186 };
 187
 188
 189
 190 class ModuleCheckFactory : public ModuleFactory
 191 {
 192  public:
 193         ModuleCheckFactory()
 194         {
 195         }
 196
 197         ~ModuleCheckFactory()
 198         {
 199         }
 200
 201         virtual Module * CreateModule(InspIRCd* Me)
 202         {
 203                 return new ModuleCheck(Me);
 204         }
 205
 206 };
 207
 208 extern "C" void * init_module( void )
 209 {
 210         return new ModuleCheckFactory;
 211 }
 212